Home / 507,853,467,191.85-700,837,899,120.95-279,482,709,177.86

Finding the Fourth Proportional to 507,853,467,191.85, 700,837,899,120.95 and 279,482,709,177.86

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Solution

The fourth proportional to 507,853,467,191.85, 700,837,899,120.95 and 279,482,709,177.86 is: 385,686,201,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,853,467,191.85 : 700,837,899,120.95 = 279,482,709,177.86 : x
  2. Step 2: Convert to fraction form
    507,853,467,191.85/700,837,899,120.95 = 279,482,709,177.86/x
  3. Step 3: Cross multiply
    507,853,467,191.85x = 700,837,899,120.95 × 279,482,709,177.86
  4. Step 4: Simplify right side
    507,853,467,191.85x = 195,872,074,740,842,836,787,200
  5. Step 5: Solve for x
    x = 195,872,074,740,842,836,787,200/507,853,467,191.85
  6. Step 6: Final answer
    x = 385,686,201,620.14

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.